SIEMENS
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Siemens IC 10 · 2017
Power Contactors for Switching Motors
3TF2 miniature contactors, 3-pole
3
Contactor
Type
3TF20. .-0. . .
3TF20. .-3. . .,
3TF20. .-6. . .,
3TF20. .-7. . .
Size
00
s
and
u
rated data of the 3TF20 contactors
Rated insulation voltage
U
i
V AC
600
300
Uninterrupted current
Open and enclosed
A
16
16 (10 for solder pin connection)
Maximum horsepower ratings
(
s
and
u
approved values)
• Rated power for three-phase motors at 60 Hz
-
Single-phase
At 115 V
hp
0.5
--
200 V
hp
1
230 V
hp
1.5
1
460/575 V
hp
--
-
Three-phase
At 115 V
hp
--
--
200 V
hp
3
3 (1 for 3TF20..-6)
230 V
hp
3
3 (1 for 3TF20..-6)
460/575 V
hp
5
--
Contactor
Type
3TF2
Size
00
Rated data of the auxiliary contacts according to IEC 60947-1
Rated insulation voltage
U
i
(Pollution degree 3)
V
690
Conventional thermal current
I
th
=
A
10
Rated operational current
I
e
/AC-12
AC load
Rated operational current
I
e
/AC-15/AC-14
• For rated operational voltage
U
e
24 V
A
4
110 V
A
4
125 V
A
4
220 V
A
4
230 V
A
4
380 V
A
3
400 V
A
3
500 V
A
2
660 V
A
1
690 V
A
1
DC load
Rated operational current
I
e
/DC-12
• For rated operational voltage
U
e
24 V
A
4
48 V
A
2.2
110 V
A
1.1
125 V
A
1.1
220 V
A
0.5
440 V
A
--
600 V
A
--
Rated operational current
I
e
/DC-13
• For rated operational voltage
U
e
24 V
A
2.1
48 V
A
1.1
110 V
A
0.52
125 V
A
0.52
220 V
A
0.27
440 V
A
--
600 V
A
--
s
,
u
and
U
rated data of the auxiliary contacts
Rated voltage, max.
V AC
600
Auxiliary switch blocks, max.
V AC
300
Switching capacity
A 600, Q 300
Uninterrupted current at 240 V AC
A
10
© Siemens AG 2016